Find Columbia MO storage units at StorageMart by visiting 3500 Interstate 70 Dr SE or call us at 573.474.7636. First month free! At StorageMart, we take great care to ensure we provide complete satisfaction to every customer, and stand by our efforts with our 100% Satisfaction Guarantee. We have a wide selection of climate-controlled units and standard self storage units available to meet all your needs. Drive-up storage units make it easy to move in and out of your space quickly and 24 hour gate access hours by request makes storing convenient for you. We offer parking spaces for boats, RVs, and trailers at this self storage facility. When you can't hit the open road, rent RV storage at our I-70 Drive storage location. Gated access means that only customers can enter the premises so your vehicles are kept behind lock and key.